Artículos de revistas
Impulse noise mitigation based on computational intelligence for improved bit rate in PLC-DMT
Registro en:
Ieee Transactions On Power Delivery. Ieee-inst Electrical Electronics Engineers Inc, v. 21, n. 1, n. 94, n. 101, 2006.
0885-8977
WOS:000234305200012
10.1109/TPWRD.2005.852271
Autor
Ribeiro, MV
Lopes, RD
Romano, JMT
Duque, CA
Institución
Resumen
This paper introduces a modified version of the discrete multi-tone transceiver (DMT) to increase the data rate in broadband power-line communications (PLC). Basically, a computational-intelligence technique trained by a second-order optimization method is applied to mitigate the high-power impulse noise, while the DMT copes with the severe intersymbol interference observed in power-line channels. The masking of the impulse noise enhances the signal-to-noise ratio in each DMT subchannel. As a result, a high number of bits can be allotted to each subchannel for a given error probability. The simulation results reveal that the proposed PLC-DMT solution outperforms, in terms of the data rate, traditional PLC-DMT over different environments, especially in the presence of additive high-power impulse noise. 21 1 94 101